Michael Clarke Duncan poses before the screening of "Armageddon" during AFI & Walt Disney Pictures' "A Cinematic Celebration of Jerry Bruckheimer" held at the Mann Chinese 6 on May 17, 2010, in Los Angeles.

Duncan died Sept. 3, 2012 at Cedars-Sinai Medical Center in Los Angeles, where he was being treated for a heart attack. He was 54.

Credit: Angela Weiss/Getty Images for AFI

Michael Clarke Duncan attends the launch party for CAPCOM's "Street Fighter IV" at the The Geffen Contemporary at Museum of Contemporary Art on Feb. 12, 2009, in Los Angeles.

Credit: Noel Vasquez/Getty Images

Michael Clarke Duncan drives down the court during the McDonald's NBA All-Star Celebrity Game presented by 2K Sports held at Mandalay Bay Convention Center on Feb. 16, 2007, in Las Vegas.

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Actor Michael Clarke Duncan arrives at the premiere of "Talladega Nights: The Ballad of Ricky Bobby" at Mann's Grauman Chinese Theater on July 26, 2006, in Hollywood, Calif.

Michael Clarke Duncan had a role in the 2000 film, "The Whole Nine Yards," about a struggling dentist in Canada. The movie featured Bruce Willis, Michael Perry and Rosanna Arquette.

Credit: Warner Bros.

Michael Clarke Duncan shows off his watch on his arrival at the Shrine Auditorium for the 72nd Annual Academy Awards at the Shrine Auditorium in Los Angeles, March 26, 2000.

Credit: LUCY NICHOLSON

Michael Clarke Duncan arrives at the premiere of his new film "The Green Mile" with his sister Judy Duncan, in Los Angeles, Dec. 6, 1999. The film also stars Tom Hanks, and was written, directed and produced by Frank Darabont and based on the Stephen King novel about 1930s death-row prisoners and their guards.

Credit: LUCY NICHOLSON/AFP/Getty Images

Michael Clarke Duncan is seen here in a scene from the 1999 film, "The Green Mile."

Duncan, the hulking, prolific character actor whose dozens of films included an Oscar-nominated performance as a death row inmate in "The Green Mile" and such other box office hits as "Armageddon," ''Planet of the Apes" and "Kung Fu Panda," is dead at age 54.

Credit: AP

Actor Michael Clarke Duncan in a scene from the 1999 film "The Green Mile" for which he received a best supporting actor nomination for an Academy Award.